Boil the cod roe for about 5-7 minutes, and let it cool.
Split it, and grill it on both sides for a total of 3 minutes.
You can also use canned cod roe.
Grill halved red onions, bacon, and rye bread on both sides.
Mix skyr, mustard, and capers together for a dressing.
And season with salt and pepper.
Cut the tomatoes in half, garnish with fresh dill, and season with salt and pepper.
Serve with cod roe and pickles.